Affiliate plans 10,000-share sale by option exercise — PCVX

Rhea-AI Filing Summary

PCVX affiliate filed a Form 144 reporting a proposed sale of 10,000 common shares. The filing lists the sale method as an Exercise of Stock Options with cash consideration on 07/06/2026. The filing also records a prior sale of 10,000 common shares on 06/18/2026 for $530,000.

Key Figures

Proposed sale: 10,000 shares Prior sale reported: 10,000 shares Listed monetary figure: $577,600.00 +1 more

4 metrics

Proposed sale 10,000 shares Securities To Be Sold via exercise on <date>07/06/2026</date>

Prior sale reported 10,000 shares Sold on <date>06/18/2026</date> for <money>$530,000</money>

Listed monetary figure <money>$577,600.00</money> Appears in the securities information section of the filing

Broker UBS Financial Services, Inc Listed with address 1000 Harbor Blvd, Weehawken, NJ

Key Terms

Form 144, Exercise of Stock Options, Securities Sold During The Past 3 Months, Cash

4 terms

Form 144 regulatory

"144: Filer Information 144: Issuer Information 144: Securities Information"

Form 144 is a document that investors must file with the government when they plan to sell a large number of shares of a company's stock. It helps ensure transparency so everyone knows how many shares are being sold and when, which can impact the stock's price.

Exercise of Stock Options financial

"Common | 07/06/2026 | Exercise of Stock Options | Issuer"

Securities Sold During The Past 3 Months regulatory

"144: Securities Sold During The Past 3 Months Andrew Guggenhime ... 06/18/2026 | 10000 | 530000.00"

Cash financial

"10000 | 07/06/2026 | Cash"

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Available on EDGAR 07/06/2026 - 04:07 PM Accepted by SEC EDGAR 07/06/2026 - 04:06 PM Learn about SEC filing dates

FAQ

What does PCVX's Form 144 disclose about the planned sale?

The Form 144 discloses a proposed sale of 10,000 common shares by an affiliate via exercise of stock options on 07/06/2026. The method of payment is listed as cash, and the filing names the broker as UBS Financial Services.

Who is identified as the selling party in the PCVX Form 144?

The filing identifies Andrew Guggenhime with an address in San Carlos, CA as the related individual. The broker listed is UBS Financial Services, Inc. at 1000 Harbor Blvd, Weehawken, NJ in the filing details.

Does the Form 144 show any recent sales prior to the proposed transaction?

Yes. The filing records a prior sale of 10,000 common shares on 06/18/2026 with an aggregate value of $530,000. That prior sale is listed under "Securities Sold During The Past 3 Months."

What sale mechanics and settlement details are listed in the Form 144?

The Form 144 lists the transaction type as Exercise of Stock Options, settlement method as Cash, and the intended sale date as 07/06/2026. The filing includes a listed broker and a numeric figure 577,600.00 in the securities section.

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK
Filer CCC
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer

SEC File Number

Address of Issuer

Phone

Name of Person for Whose Account the Securities are To Be Sold

See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.

Relationship to Issuer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	UBS Financial Services, Inc 1000 Harbor Blvd 3rd Floor Weehawken NJ 07086	10000	577600.00	144397682	07/06/2026	NASDAQ

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	07/06/2026	Exercise of Stock Options	Issuer			10000	07/06/2026	Cash

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
Andrew Guggenhime 825 Industrial Road Suite 300 San Carlos CA 94070	Common	06/18/2026	10000	530000.00

144: Remarks and Signature

Remarks

Date of Notice

Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1

ATTENTION:

The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.

Signature

ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)